Modular street sweeper

Details Modular street sweeper Modular street sweeper

2011-08-16

2011-08-16

Nguyen, Dung Van (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S348000

Reexamination Certificate

active

07996955

ABSTRACT:
A modular street sweeper includes a pair of side brooms to sweep debris laterally inwardly from opposing sides of the sweeper and a pickup mechanism to convey the swept debris from the ground to a collection hopper. The pickup mechanism includes a conveyor module in which a main broom at a rear of the sweeper sweeps the debris forwardly onto a rotating conveyor and a vacuum module in which a vacuum head spans laterally across the sweeper in proximity to the ground and communicates with a fan to direct the swept debris into the hopper. The vacuum pick up module is interchangeable with the conveyor pickup module so that a single sweeper investment can perform both a spring function of sand collection with the conveyor and a fall function of leaf collection with the vacuum head.

REFERENCES:
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patent: 4754521 (1988-07-01), Zoni
patent: 4884313 (1989-12-01), Zoni
patent: 5054152 (1991-10-01), Hulicsko
patent: 5060334 (1991-10-01), Strauser et al.
patent: 6192542 (2001-02-01), Frederick et al.
patent: 6195837 (2001-03-01), Vanderlinden
patent: 6854157 (2005-02-01), Strauser
patent: 6948213 (2005-09-01), Kim
patent: 6966097 (2005-11-01), Engel et al.

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